AI agents call kinbox_list_tags to retrieve information from Kinbox without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries existing tags from the Kinbox workspace without creating, modifying, deleting, or executing any operations. It is a straightforward read-only data retrieval function with no side effects or blast radius if misused by an AI agent.
From the tool's definition Tool name contains 'list' and description states 'Lista todas as tags' (Lists all tags), indicating a retrieval operation with no modification or deletion of data.
Attacks that exploit this kind of access
Lista todas as tags do workspace Kinbox. It is categorised as a Read tool in the Kinbox MCP Server, which means it retrieves data without modifying state.
Register the Kinbox MCP server in PolicyLayer and add a rule for kinbox_list_tags: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Kinbox. Nothing to install.
kinbox_list_tags is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the kinbox_list_tags rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for kinbox_list_tags. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
kinbox_list_tags is provided by the Kinbox MCP server (vergamini65-boop/kinbox-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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